Home / 25,683.81-38,514.78-10,090.50

Finding the Fourth Proportional to 25,683.81, 38,514.78 and 10,090.50

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Solution

The fourth proportional to 25,683.81, 38,514.78 and 10,090.50 is: 15,131.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,683.81 : 38,514.78 = 10,090.50 : x
  2. Step 2: Convert to fraction form
    25,683.81/38,514.78 = 10,090.50/x
  3. Step 3: Cross multiply
    25,683.81x = 38,514.78 × 10,090.50
  4. Step 4: Simplify right side
    25,683.81x = 388,633,387.59
  5. Step 5: Solve for x
    x = 388,633,387.59/25,683.81
  6. Step 6: Final answer
    x = 15,131.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.